A new edition of The Earth Observer, a bi-monthly publication that covers the nuts-and-bolts of NASA’s Earth Observing System, is out.

The sharp-angled iceberg that made headlines in late October 2018 had a longer, rougher journey than was initially thought.

Your challenge is to tell us what we are looking at and why it is interesting.

Many parts of the world are already seeing rising sea levels, hotter temperatures, more extreme precipitation and droughts, more acidic oceans, and faster rates of extinctions.